Berkeley Group Holdings PLC (LON:BKG) posted revenue of £2.3bn, up 6.6%, as the group sold 33% more homes. Higher operating costs and a lower average selling price, due to the type of property sold, meant operating margin declined 1.2 percentage points. However, driven by higher profit from joint ventures, pre-tax profit rose 6.4% to £551.5m. Pre-tax profit is expected to come in at £600m next year, and £625m for the two years thereafter. Berkeley continues to target £282m in shareholder returns per year, in either dividends or buybacks. £63.7m has been returned so far this year, with more inf…